1. Department of Oral and Maxillofacial Functional Rehabilitation, Graduate School of Medicine, University of the Ryukyus, Nakagami-gun, Japan
2. Department of Molecular Pharmacology and Oncology, Gunma University Graduate School of Medicine, Maebashi, Japan
3. Division of Integrated Oncology Research, Gunma University Initiative for Advanced Research, Maebashi, Japan
4. Department of Basic Laboratory Sciences, Division of Morphological Pathology, School of Health Sciences, University of the Ryukyus, Nakagami-gun, Japan